答案:public void sort(int[] values) {if (values == null) {return null;}int temp = 0;for (int i = 0; i < values.length; i ) {for (int j = i; j < values.length - 1; j ) {if (values[j 1] > values[i]) {temp = values[j 1];values[j 1] = values[i];values[i] = temp;}}}}